{"id":32994,"date":"2023-07-06T17:33:06","date_gmt":"2023-07-06T15:33:06","guid":{"rendered":"https:\/\/ssef.ch\/?p=32994"},"modified":"2023-09-21T17:35:19","modified_gmt":"2023-09-21T15:35:19","slug":"blue-surprise-apatite-and-not-paraiba-tourmaline","status":"publish","type":"post","link":"https:\/\/www.ssef.ch\/zh-hant\/blue-surprise-apatite-and-not-paraiba-tourmaline\/","title":{"rendered":"Blue surprise: apatite \u2028and not Paraiba tourmaline"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"32994\" class=\"elementor elementor-32994\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4ae10602 elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-backgound-letter-holder-no qodef-elementor-content-no\" data-id=\"4ae10602\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-112861b6\" data-id=\"112861b6\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8193a95 elementor-widget elementor-widget-text-editor\" data-id=\"8193a95\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>First published in <a href=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/05\/facette-2023-web.pdf\">Facette 28<\/a> (May 2023)<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8ca6be6 elementor-widget elementor-widget-text-editor\" data-id=\"8ca6be6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tLast summer, the SSEF received a series of nine small blue cabochons ranging in weight from 0.4 to 1.5 ct. The client assumed that these stones were Paraiba tourmalines from a very early production of the Sao Jose\u0301 da Batahla mine in the state of Paraiba in Brazil, as they were safeguarded for several decades by a jeweller.\n\nAlready doubtful in appearance, these \u201cParaiba\u201d stones were quickly identified as apatite, well-known to occur in Paraiba-like colours, specifically after they are subjected to heat treatment. Based on the presence of reddish iron-oxide in some hollow channels, it is highly probable that these apatite cabochons were heated. In addition, the fissures (maybe partly induced by the heating process) in these rather included cabochons showed indications of clarity modification by minor to moderate fissure filling. The result was not so thrilling for the client, but at least this Paraiba-mystery could be solved.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-73a9759 elementor-widget elementor-widget-image\" data-id=\"73a9759\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"960\" height=\"402\" src=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/07\/313_Fig1_Blue-Surprise_Apatite-jpg.webp\" class=\"attachment-full size-full wp-image-33007\" alt=\"\" srcset=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/07\/313_Fig1_Blue-Surprise_Apatite-jpg.webp 960w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/07\/313_Fig1_Blue-Surprise_Apatite-300x126.webp 300w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/07\/313_Fig1_Blue-Surprise_Apatite-768x322.webp 768w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\"><\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ae7f74b elementor-widget elementor-widget-spacer\" data-id=\"ae7f74b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4ca7157 elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-backgound-letter-holder-no qodef-elementor-content-no\" data-id=\"4ca7157\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-45eea95\" data-id=\"45eea95\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4c36988 elementor-widget elementor-widget-text-editor\" data-id=\"4c36988\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Want to learn more about toumalines?<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a60e4f5 elementor-widget elementor-widget-image\" data-id=\"a60e4f5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"738\" src=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2020\/03\/301_Fig10_Cu-tourmaline-1024x738.jpg\" class=\"attachment-large size-large wp-image-30906\" alt=\"\" srcset=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2020\/03\/301_Fig10_Cu-tourmaline-1024x738.jpg 1024w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2020\/03\/301_Fig10_Cu-tourmaline-300x216.jpg 300w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2020\/03\/301_Fig10_Cu-tourmaline-768x554.jpg 768w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2020\/03\/301_Fig10_Cu-tourmaline-700x505.jpg 700w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2020\/03\/301_Fig10_Cu-tourmaline.jpg 1100w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-48e5c94\" data-id=\"48e5c94\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-977306f elementor-widget elementor-widget-text-editor\" data-id=\"977306f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4>Start your journey to becoming a tourmaline expert with our free online course &#8220;Introduction to tourmalines&#8221;.<\/h4><p>Learn all about tourmalines. Their fascinating history, how they form, where they come from. Learn about all the different origins of tourmalines and their treatments. Take this course as an introduction to the wonderful world of tourmalines.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b630f05 elementor-widget elementor-widget-laurits_core_button\" data-id=\"b630f05\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"laurits_core_button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<a class=\"qodef-shortcode qodef-m qodef-button qodef-layout--filled qodef-html--link\" href=\"https:\/\/www.ssef.ch\/masterclass\/tourmaline-en\/\" target=\"_self\"  >\n\t<span class=\"qodef-m-text\">Discover the course<\/span>\n<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Last summer, the SSEF received a series of nine small blue cabochons ranging in weight from 0.4 to 1.5 ct. The client assumed that these stones were Paraiba tourmalines from a very early production of the Sao Jose\u0301 da Batahla mine in the state of Paraiba in Brazil, as they were safeguarded for several decades by a jeweller.<\/p>\n","protected":false},"author":3,"featured_media":32997,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[626],"tags":[734],"library_category":[],"library_author":[],"class_list":["post-32994","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-research-blog","tag-tourmaline"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Blue surprise: apatite \u2028and not Paraiba tourmaline - SSEF<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ssef.ch\/blue-surprise-apatite-and-not-paraiba-tourmaline\/\" \/>\n<meta property=\"og:locale\" content=\"zh_TW\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Blue surprise: apatite \u2028and not Paraiba tourmaline - SSEF\" \/>\n<meta property=\"og:description\" content=\"Last summer, the SSEF received a series of nine small blue cabochons ranging in weight from 0.4 to 1.5 ct. The client assumed that these stones were Paraiba tourmalines from a very early production of the Sao Jose\u0301 da Batahla mine in the state of Paraiba in Brazil, as they were safeguarded for several decades by a jeweller.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ssef.ch\/blue-surprise-apatite-and-not-paraiba-tourmaline\/\" \/>\n<meta property=\"og:site_name\" content=\"SSEF\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-06T15:33:06+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-09-21T15:35:19+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/07\/apatite-and-not-Paraiba-tourmaline-jpg.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"338\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Laurent Cartier\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005:\" \/>\n\t<meta name=\"twitter:data1\" content=\"Laurent Cartier\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9810\u4f30\u95b1\u8b80\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \u5206\u9418\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.ssef.ch\\\/blue-surprise-apatite-and-not-paraiba-tourmaline\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.ssef.ch\\\/blue-surprise-apatite-and-not-paraiba-tourmaline\\\/\"},\"author\":{\"name\":\"Laurent Cartier\",\"@id\":\"https:\\\/\\\/www.ssef.ch\\\/zh-hans\\\/#\\\/schema\\\/person\\\/c855f01c061d2c7b29f823eaee439288\"},\"headline\":\"Blue surprise: apatite \\u2028and not Paraiba tourmaline\",\"datePublished\":\"2023-07-06T15:33:06+00:00\",\"dateModified\":\"2023-09-21T15:35:19+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.ssef.ch\\\/blue-surprise-apatite-and-not-paraiba-tourmaline\\\/\"},\"wordCount\":221,\"publisher\":{\"@id\":\"https:\\\/\\\/www.ssef.ch\\\/zh-hans\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.ssef.ch\\\/blue-surprise-apatite-and-not-paraiba-tourmaline\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.ssef.ch\\\/wp-content\\\/uploads\\\/2023\\\/07\\\/apatite-and-not-Paraiba-tourmaline-jpg.webp\",\"keywords\":[\"Tourmaline\"],\"articleSection\":[\"Research Blog\"],\"inLanguage\":\"zh-TW\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.ssef.ch\\\/blue-surprise-apatite-and-not-paraiba-tourmaline\\\/\",\"url\":\"https:\\\/\\\/www.ssef.ch\\\/blue-surprise-apatite-and-not-paraiba-tourmaline\\\/\",\"name\":\"Blue surprise: apatite \\u2028and not Paraiba tourmaline - 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